Looking for an interactive map.?

I'm looking for an interactive map where I can put in a starting point (say a zip code) and the number of miles or hours I'm willing to drive and it would show me a radius of where I could get within my parameters. Does anyone know where to find a map like this?Looking for an interactive map.?
You would need a GIS analysis software + road map database.



It is called isodistance or isochron maps.



It is common practice in companies who want to target markets and conduct business studies.



Would you need it for some professional use, or just for leisure ?Looking for an interactive map.?
No. It will be very difficult to find and be realistic because to calculate the hours of travel to any point would involve tracing a whole set of specific routes. Just for example, if I start at 75223 (my home) and set 1 hour - if I am on I-30 or US80 going east I can pretty easily and legally get 60 miles out except during the evening rush hour, when I might get half that. If I head NE on Garland road, I might get 35-40 miles (40 mph speed limit) less a dozen or more stop lights depending on how I hit them. If I try to go North, I have a choice of urban streets with 35 mph limits and lots of lights or going SW on I-30, turning N on US75 near downtown and then being able to go 60+. S is easy except at rush hour, W is takes me through traffic congestion at various levels all the time.

So a map of 1 hour distances wouldn't be a circle, it would be kind of like a spider web with points on the fast roads and dips back toward center on slower roads.